<template>
  <div class="app-container">
    <el-form
      ref="queryRef"
      :inline="true"
      label-width="68px"
      :model="queryParams"
      v-show="showSearch">
      <el-form-item label="分类">
        <el-cascader
          :props="categoryProps"
          style="width: 100%"
          v-model="queryCategoryIdList"
          @change="handleCategoryChange" />
      </el-form-item>
      <el-form-item label="规格名称" prop="specName">
        <el-input
          v-model="queryParams.specName"
          @keyup.enter="handleQuery"
          placeholder="请输入规格名称"
          clearable />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="Search" @click="handleQuery"
          >搜索</el-button
        >
        <el-button icon="Refresh" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button type="primary" plain icon="Plus" @click="handleAdd"
          >新增</el-button
        >
      </el-col>
      <el-col :span="1.5">
        <el-button type="success" plain icon="Edit" @click="handleUpdate"
         :disabled="single"
          >修改</el-button
        >
      </el-col>
      <el-col :span="1.5">
        <el-button type="danger" plain icon="Delete" :disabled="multiple" @click="handleDelete">删除</el-button>
      </el-col>
      <right-toolbar
        v-model:showSearch="showSearch"
        @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table
      :data="specList"
      v-loading="loading"
      @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="分类名称" prop="categoryName" width="120" />
      <el-table-column
        label="规格名称"
        align="left"
        prop="specName"
        width="120" />
      <el-table-column label="规格值" #default="scope">
        <div
          v-for="(item1, index1) in scope.row.specValueList"
          :key="index1"
          style="padding: 5px; margin: 0; width: 100%">
          {{ item1.key }}：
          <span
            v-for="(item2, index2) in item1.valueList"
            :key="index2"
            class="div-atrr">
            {{ item2 }}
          </span>
        </div>
      </el-table-column>
      <el-table-column prop="createTime" label="创建时间" width="160" />
      <el-table-column
        label="操作"
        align="center"
        class-name="small-padding fixed-width"
        width="160">
        <template #default="scope">
          <el-button
            link
            type="primary"
            icon="Edit"
          
            @click="handleUpdate(scope.row)"
            >修改</el-button
          >
          <el-button link type="primary" icon="Delete" @click="handleDelete(scope.row)">删除</el-button>
        </template>
      </el-table-column>
    </el-table>
    <!-- 添加或修改商品规格对话框 -->
    <el-dialog :title="title" v-model="open" width="500px" append-to-body>
      <el-form ref="specRef" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="分类" prop="categoryIdList">
          <el-cascader :props="categoryProps" v-model="form.categoryIdList" />
        </el-form-item>
        <el-form-item label="规格名称" prop="specName">
          <el-input v-model="form.specName" placeholder="请输入规格名称" />
        </el-form-item>
        <el-form-item>
          <div
            v-for="(item1, index1) in specValueList"
            :key="index1"
            style="padding: 10px; margin: 0">
            {{ item1.key }}：
            <span
              v-for="(item2, index2) in item1.valueList"
              :key="index2"
              class="div-atrr">
              {{ item2 }}
            </span>
            <el-button size="small" @click="removeAttr(index1)">删除</el-button>
            <br />
          </div>
        </el-form-item>
        <el-form-item label="">
          <el-row v-if="isAdd">
            <el-col :span="10">
              <el-input
                v-model="specValue.key"
                placeholder="规格"
                style="width: 90%" />
            </el-col>
            <el-col :span="10">
              <el-input
                v-model="specValue.values"
                placeholder="规格值(如:白色,红色)"
                style="width: 90%" />
            </el-col>
            <el-col :span="4">
              <el-button size="default" @click="addSpecValue">添加</el-button>
            </el-col>
          </el-row>
          <el-row v-if="!isAdd">
            <el-col :span="4" align="left">
              <el-button size="default" @click="isAdd = true">
                添加新规格
              </el-button>
            </el-col>
          </el-row>
        </el-form-item>
      </el-form>
      <template #footer>
        <div class="dialog-footer">
          <el-button type="primary" @click="submitForm">确 定</el-button>
          <el-button @click="cancel">取 消</el-button>
        </div>
      </template>
    </el-dialog>

    <!-- 分页条组件 -->
    <pagination v-show="total > 0" :total="total" />
  </div>
</template>

<script setup>
import { ref, reactive, toRefs, getCurrentInstance } from "vue";
import { getTreeSelect } from "../../../api/product/category";
import {
  listSpec,
  addSpec,
  updateSpec,
  getSpec,
  delSpec
} from "../../../api/product/productSpec";

const props = {
  lazy: true,
  value: "id",
  label: "name",
  leaf: "leaf",
  async lazyLoad(node, resolve) {
    // 加载数据的方法
    if (typeof node.value === "undefined") {
      node.value = 0;
    }
    const { data } = await getTreeSelect(node.value);
    data.forEach((category) => {
      category.leaf = !category.hasChildren;
    });
    resolve(data); // 返回数据
  },
};
const categoryProps = ref(props);

// 分页条数据模型
const total = ref(0);
//定义分页数据
const specList = ref([]);
//定义列表总记录数模型
const loading = ref(true);
//定义隐藏搜索控制模型
const showSearch = ref(true);
const data = reactive({
  queryParams: {
    pageNum: 1,
    pageSize: 10,
    categoryId: null,
    specName: null,
  },

  form: {
    id: null,
    categoryId: null,
    categoryIdList: [],
    specName: null,
    specValue: null,
  },
  rules: {
    categoryIdList: [
      { required: true, message: "分类不能为空", trigger: "blur" },
    ],
    specName: [
      { required: true, message: "规则名称不能为空", trigger: "blur" },
    ],
  },
});
const { queryParams, form, rules } = toRefs(data);
const { proxy } = getCurrentInstance();
//处理分类change事件
const queryCategoryIdList = ref([]);
const handleCategoryChange = () => {
  if (queryCategoryIdList.value.length == 3) {
    queryParams.value.categoryId = queryCategoryIdList.value[2];
  }
};
//新增与修改弹出层控制模型
const open = ref(false);
//新增与修改弹出层标题模型
const title = ref("添加规格");
const isAdd = ref(false);
const specValue = ref({ key: "", values: "" });
const specValueList = ref([]);
//批量操作id列表
const ids = ref([]);
const single = ref(true);
const multiple =ref(true);

/*************************************************************************************************************/
//删除操作
function handleDelete(row){
  const _ids =row.id || ids.value;
  proxy.$modal.confirm('是否确认删除商品规格编号为"' + _ids + '"的数据项？').then(function(){
    return delSpec(_ids);
  }).then(()=>{
    getList();
    proxy.$modal.msgSuccess("删除成功");
  
  }).catch(()=>{});
}

// 多选框选中数据
function handleSelectionChange(selection) {
  ids.value = selection.map((item) => item.id);
  single.value = selection.length != 1;
  multiple.value=!selection.length;
}

//修改按钮操作
function handleUpdate(row) {
  reset();
  const _id = row.id || ids.value;
  getSpec(_id).then((response) => {
    form.value = response.data;
    open.value = true;
    title.value = "修改商品规格";
    specValueList.value = JSON.parse(form.value.specValue);
  });
}

//绑定提交与取消事件
//提交按钮
function submitForm() {
  proxy.$refs["specRef"].validate((valid) => {
    if (valid) {
      form.value.specValue = JSON.stringify(specValueList.value);
      form.value.categoryId = form.value.categoryIdList[2];
      if(form.value.id!=null){
        updateSpec(form.value).then((response) => {
        proxy.$modal.msgSuccess("修改成功");
        open.value = false;
        getList();
      });
      }else{
        addSpec(form.value).then((response) => {
        proxy.$modal.msgSuccess("新增成功");
        open.value = false;
        getList();
      });
      }
    }
  });
}
//取消按钮
function cancel() {
  open.value = false;
  reset();
}
//新增按钮操作
function handleAdd() {
  reset();
  open.value = true;
  title.value = "添加商品规格";
  specValueList.value = [];
  specValue.value = { key: "", values: "" };
}
//表单重置
function reset() {
  form.value = {
    id: null,
    specName: null,
    specValue: null,
    categoryId: null,
    categoryIdList: [],
  };
  proxy.resetForm("specRef");
}

//编辑规格属性事件
function addSpecValue() {
  specValueList.value.push({
    key: specValue.value.key,
    valueList: specValue.value.values.split(","),
  });
  specValue.value = {};
  isAdd.value = false;
}
function removeAttr(index) {
  specValueList.value.splice(index, 1);
}

//搜索按钮操作
function handleQuery() {
  queryParams.value.pageNum = 1;
  getList();
}
function resetQuery() {
  queryCategoryIdList.value = [];
  proxy.resetForm("queryRef");
  queryParams.value.categoryId = null;
  handleQuery();
}

function getList() {
  loading.value = true;
  listSpec(queryParams.value).then((response) => {
    specList.value = response.rows;
    specList.value.forEach(function (item) {
      item.specValueList = JSON.parse(item.specValue);
    });
    total.value = response.total;
    loading.value = false;
  });
}
getList();
</script>
<style scoped>
.div-atrr {
  padding: 5px 10px;
  margin: 0 10px;
  background-color: powderblue;
  border-radius: 10px;
}
</style>
